MicroController over Network protocol

Protocol:
Send command: "MCoN", COMMAND, [COMMAND PARAMETER, ...]
Receive return data: "MCoN", COMMAND, [various return], [string error]

-- Maintenance commands

	SHUTDOWN([string password]): Shut down the microcontroller
		return: "MCoN", "SHUTDOWN", [string error]
		Shuts down the microcontroller.
		Errors:
			"Invalid password"

	REBOOT([string password]): Reboot the microcontroller
		return: "MCoN", "REBOOT", [string error]
		Reboots the microcontroller.
		Errors:
			"Invalid password"

	ADRESS(): Returns the adress of the microcontroller
		return: "MCoN", "ADRESS", string adress
		Returns the adress of the microcontroller

	PING([string data])
		return: "MCoN", "PONG", [data]
		Basic ping

	STATUS([string password])
		return: "MCoN", "STATUS", string status, [string error]
		Returns the status of the microcontroller program.
		Errors:
			"Invalid password"

	START([string password])
		return: "MCoN", "START", [string error]
		Starts a new instance of the microcontroller program, drops the old instance if it was running.
		Errors:
			"Invalid password"

	STOP([string password])
		return: "MCoN", "STOP", [string error]
		Stops the current program and drops the instance.
		Errors:
			"Invalid password"
			"Program already stopped"

	HALT([string password])
		return: "MCoN", "HALT", [string error]
		Halts the current program.
		Errors:
			"Invalid password"
			"Program already halted"

	RESUME([string password])
		return: "MCoN", "RESUME", [string error]
		Resumes the halted instance.
		Errors:
			"Invalid password"
			"Program was stopped"

-- Data commands

	GET([string password]): Retrieve stored program
		return: "MCoN", "GET", string data, [string error]
		Returns the current program.
		Errors:
			"Invalid password"

	GETLINE(number line, [string password]): Retrieve a specified line of the program, returns nil after the end of the program
		return: "MCoN", "GETLINE", string data, [string error]
		returns a specific line from the current program.
		Errors:
			"Invalid password"

	ADDLINE(string line, [string password])
		return: "MCoN", "ADD", [string error]
		Appends a line to the future program memory.
		Errors:
			"Invalid password"

	SET([string password])
		return: "MCoN", "SET", [string error]
		Sets the current program to the program loaded into memory via addline
		Errors:
			"Invalid password"

	SETDATA(string data, [string password])
		return: "MCoN", "SETDATA", [string error]
		Sets the program to the specified data
		Errors:
			"Invalid password"

-- Admin commands

	SETPASSWORD(string newpassword, [string oldpassword])
		return: "MCoN", "SETPASSWORD", [string error]
		Sets the password to the specified value, "" to disable passwords.
		Errors:
			"Invalid password"

	GETPASSWORD([string password])
		return: "MCoN", "GETPASSWORD", password, [string error]
		Gets the current password, "" if no password is set.
		Errors:
			"Invalid password"